Hi PaulPrass.
The pre-released, beta version of the Mac OS X 10.10 operating system is not currently supported with the imageCLASS machines. Drivers are normally released for supported units after a new operating system has been commercially released. I recommend checking back after the operating system has been commercially released.
Should you need any futher assistance, please contact us at 1-800-OK-CANON (1-800-652-2666).
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